Company lists · Data refreshed September 2026

Top 23 International regulatory consulting firms based in Houston, United States

RevenueBase identified 56 company matches for international regulatory consulting firms associated with Houston, United States as of September 2026 and tracks 404 professional contacts across them, including 159 with verified work emails. Across the United States, Washington is the largest hub for this category (194 companies); Houston has 56.

This list covers company matches for international regulatory consulting firms associated with Houston, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
56Companies
404Contacts tracked
159Verified emails
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The 23 largest international regulatory consulting firms based in Houston, United States

Ranked by team size
Top 23 of 56 company matches for international regulatory consulting firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-20063 contacts →

Exact match

“RCP is the regulatory compliance and risk management expert for pipelines, facilities, and terminal operations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5046 contacts →

Exact match

“International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-20039 contacts →

Exact match

“The Company J.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-20026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“McBride SustainAbility is the leader consulting company with more than fifteen years of experience in sustainability, social responsibility, public relations as well as internal…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Deleon Trade LLC is a U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“We are MEDISI, we were the first Mexican consultancy company specialized in Medical Devices and now we are the best consolidator for regulation USA and Latin America.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-509 contacts →

Exact match

“Third Party Resources, Inc.(3PR, Inc.) is a specialized consulting firm that focuses on the unique regulatory compliance and risk management challenges facing banks and other…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-507 contacts →

Exact match

“QBS supports international organizations expanding into the United States with industrial construction consulting, market insights, and real estate advisory.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-507 contacts →

Exact match

“Principle Partnering Group LLC is an international management consulting firm providing management and B2G (business to government) compliance services to government agencies and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-106 contacts →

Exact match

“International expansion has become vitally important in driving nearly any-sized company to sustained profitable growth.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202651-2004 contacts →

Exact match

“Wollam Groups services the automotive, aerospace, construction, government, healthcare, manufacturing, mining, petroleum, transportation industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“QSI has unparalleled industry expertise, having implemented and assessed management systems in nearly 30 countries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Experien Health Sciences is a multinational consultancy that specializes in regulatory toxicology, occupational health and product stewardship for clients throughout the United…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Transportation Compliance Consultants, LLC (TCC) helps organizations operate safely, reduce risk, and stay compliant with federal and state transportation regulations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Pettus Consulting offers services including inspection, specification drafting, regulatory auditing, records review, regulator liaison, and project/construction management.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-503 contacts →

Exact match

“To offer our clients a comprehensive partnership that ensures self-sustaining safety, savings, and success - Personalized Consulting the way it should be Clinical and Non-Clinical…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“We limit our practice exclusively to legal issues surrounding international trade including U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Harris Monroe Consulting is an IT Compliance and Consulting firm based in Houston, Texas.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“Rovas Global is an international affairs advisory company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“The Notary Geek is trusted provider in delivering comprehensive solutions to eliminate complex challenges.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Introducing Etcetera BioProcess Services, LLC: Serving the biopharmaceutical, biotechnology, biologics and supporting industries by providing quality contract and consulting…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“I have been an ASQ-Certified Manager of Quality and Organizational Excellence (ASQ-CMQ/OE) since 2009.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 23 of 56 international regulatory consulting firms based in Houston, United States

See the full list, filter by size, metro and specialty, and access 159 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International regulatory consulting firms based in Houston, United States at a glance

As of Sep 28, 2026
39.4%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
39
11-50
12
51-200
5

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 56 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Houston, United States whose business descriptions match “international regulatory consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 159 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “international regulatory consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international regulatory consulting firms are there based in Houston, United States?

RevenueBase identified 56 company matches for international regulatory consulting firms associated with Houston, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

RCP INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most international regulatory consulting firms?

Washington leads the United States with 194 company records, followed by New York (109) and Miami (64). Houston has 56.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 159 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.